NPDES Permit for Wind River Energy Commission – Sheldon Dome Field in Wyoming

Under National Pollutant Discharge Elimination System permit number WY-0024953, Wind River Energy Commission is authorized to discharge from its Sheldon Dome Field wastewater treatment facility located on the Wind River Indian Reservation in Fremont County, Wyoming, to an unnamed ephemeral tributary of Dry (Pasup) Creek, which is tributary to the Wind River.

The EPA is accepting public comment on the draft reissuance of this permit through April 16, 2026.

Draft Permit

• WY0024953 WREC Sheldon Dome Field Draft NPDES Permit (pdf) (836.88 KB, February 25, 2026)
• WY0024953 WREC Sheldon Dome Field Draft Statement of Basis (pdf) (1.74 MB, February 25, 2026)

Current Permit

• WY-0024953 Phoenix Production Company – Sheldon Dome Field Permit (pdf) (12.26 MB, March 12, 2015)
• WY-0024953 Phoenix Production Company – Sheldon Dome Field Statement of Basis (pdf) (2.66 MB, February 24, 2015)
• WY-0024953 Phoenix Production Company – Sheldon Dome Field Response to Comments (pdf) (108.1 KB, March 9, 2015)
• WY-0024953 Phoenix Production Company – Sheldon Dome Field Response to Permit-Specific Comments (pdf) (114.75 KB, March 9, 2015)
• WY-0024953 Phoenix Production Company – Sheldon Dome Field Permit Modification (pdf) (4.38 MB, July 20, 2016)
• WY-0024953 Phoenix Production Company – Sheldon Dome Field Statement of Basis Addendum (pdf) (139.66 KB, October 3, 2016)